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complet'ing the square'

Math.
a method, usually of solving quadratic equations, by which a quadratic expression, as x² - 4x + 3, is written as the sum or difference of a perfect square and a constant, x² - 4x + 4 + 3 - 4 = (x - 2)² - 1, by addition and subtraction of appropriate constant terms.

completer set

completion

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complet'ing the square'

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